Nut-lock.



s. F. GARRICO TION & S. GERICKE.

UT LOOK.

APPLIOA FILED JUNE 23, 914

Patented Feb. 9, 1915.

' RJQJUD @TATEd ATE SAMUEL F. GARRICO AND SAMUEL GERICKE, OF SOUTH GREENFIELD, MISSOURI. i

NUT-LOCK.

Specification of Letters Patent.

Patented Fee. a, rare.

Application filed June 23, 1914. Serial N 0. 846,832.

T (IN whom it may concern:

Be it known that we, SAMUEL F. CARRIoo and SAMUEL GERICKE, citizensof the United States, residing at South Greenfield, in the county of Dads and State of Missouri, have invented new and useful Improvements in Nut-Locks, of which thefollowing is a specification.

The present invention relates to means for locking a nut upon a bolt, and permitting the separation of the nut from the bolt when desired.

In carrying out our invention we propose to provide a nut with a spring locking member or dog which engages with the threads of the bolt and which is retained in position by a detachable member which can readily be removed from the .nut to disengage the dog from the threads of the bolt to permit of the separation of the nut and bolt.

With the above and other objects in view, the improvement resides in the construc tion, combination and arrangement of parts set forth in the following specification and falling within the scope of the appended claim.

In the drawing: Figure 1 is a view illustrating the application of our improvement, F 2 is a transverse sectional View on the line 9 2 of Fig. 1, Fig. 3 is a detail perspective view of the dog, Fig. 4 is a similar View of the nut, and Fig. 5 is a similar view of the looking or retaining member for the dog.

Referring now to the drawing in detail,

the numeral 1 designates a nut which is threaded upon a bolt, both the nut and bolt being of the ordinary construction. The nut 1, in the showing of the drawing, is square or rectangular and has one of its outer faces provided with a longitudinal depression or slot 3 which communicates with similar depressions or slots t in the sides or in the opposite faces of the nut. The side slots 4 are provided with indentures or depressions 6, while the longitudinal slot 3 communicates with a central opening'9 that is preferably rectangular and which in turn communicates with an enlarged depression formed adjacent the bore of the nut.

The numeral 10 designates the dog. This dog comprises a spring member of an equal thickness throughout, and which includes a. head'll and a right angular tail 12. The

head '11 has its lower edge formed with teeth 13, and the tongue 14 is of a sizesuifi cient to pass through the longitudinal channel in the nut, so that the said tail will rest within the channel and the toothed end of the head will be disposed slightly beyond the threads in the bore of the nut.

The numeral 15 designates a substantially U-shaped bail which is adapted to have its body portion arranged within the longitudi nal channel of the nut to overlie the tail of the dog and its side arms 16 are provided with inwardly extending lugs 17 which are adapted to engage within the indentures in the side channels of the nut. The yoke is, of course, constructed of'spring metal, as is also the dog,.and it will be noted that when the nut is screwed upon the bolt, the resilient head of the dog will yield in one direction, that is when the nut is being screwed home upon the bolt, but the teeth of the dog will engage with the threads of the bolt to retard the same from an opposite or unscrewing direction.

From the above description, taken, in con-- nection with the accompanying drawing, the simplicity of the device, as Well as the advantages thereof will, it is thought, be perfeetly apparent to those skilled in the art to which such invention appertains without further detailed description.

Having thus described the invention, what we claim is:

In combination with a bolt and a nut therefor, the said nut having one of its outer faces: channeled longitudinally and the sides formed with channels which communicate arranges? Within the iongitudinei channel In testimony whereof we afiix our signaof t d nut an e substantially U-shaped tures in presence 0f two witnesses. spring member having its side arms pr0- SAM. F. CARRICO. vided with lugs adaptedl to engage Within SAM. GERIGKE.

5 the indentures in the side channels of the Witnesses:

nut and-its body portion overlying and fric- A. M. PATTON,

tionally contacting with the tail of the dog. GEO. WENISTEOR. 

